Cisco ASR-920-24SZ-M - Alarm Port Pinouts

Table 19: RJ-45 1PPS/ToD Port Pinouts
DescriptionDirectionSignal NamePin
Do Not ConnectOutputRESERVED1
Do Not ConnectInputRESERVED2
1PPS RS422 signalOutput or Input1PPS_N3
——
GND4
——
GND5
1PPS RS422 signalOutput or Input1PPS_P6
Time-of-Day characterOutput or InputTOD_N7
Time-of-Day characterOutput or InputTOD_P8
Alarm Port Pinouts
The table below summarizes the external alarm input pinouts.
Table 20: External Alarm Input Pinouts
DescriptionSignal NamePin
Alarm input 0ALARM0_IN1
Alarm input 1ALARM1_IN2
No connect
—
3
Alarm input 2ALARM2_IN4
Alarm input 3ALARM3_IN5
No connect
—
6
No connect
—
7
Alarm commonCOMMON8
Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M Aggregation Services Router Hardware Installation
Guide
129
Troubleshooting
Alarm Port Pinouts